includeExceptionDetailInFaults无法正常工作 [英] includeExceptionDetailInFaults not working

问题描述

includeExceptionDetailInFaults not working

I have an AJAX-Enabled WCF service.  I think I'm passing a parameter incorrectly to one of the operations and the WCF service is returning the following response:

{"ExceptionDetail":null,"ExceptionType":null,"Message":"The server was unable to process the request due to an internal error.  For more information about the error, either turn on IncludeExceptionDetailInFaults (either from ServiceBehaviorAttribute or from the <serviceDebug> configuration behavior) on the server in order to send the exception information back to the client, or turn on tracing as per the Microsoft .NET Framework 3.0 SDK documentation and inspect the server trace logs.","StackTrace":null}

I googled this and I'm supposed to include the following node for the service behavior:

<serviceDebug includeExceptionDetailInFaults="true"/>

I've done this but I'm still getting the same above error response from the WCF service.  Here is the full service configuration from my Web.config.  What do I need to do to fix this so I can start receiving valid error messages?

  <system.serviceModel>
    <behaviors>
      <serviceBehaviors>
        <behavior name="DataServiceBehaviors">
          <serviceMetadata httpGetEnabled="true" />
          <serviceDebug includeExceptionDetailInFaults="true"/>
        </behavior>
      </serviceBehaviors>
      <endpointBehaviors>
        <behavior name="DataServiceAspNetAjaxBehavior">
          <enableWebScript/>
        </behavior>
      </endpointBehaviors>
    </behaviors>
    <serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true"/>
    <services>
      <service name="DataService">
        <endpoint address="" behaviorConfiguration="DataServiceAspNetAjaxBehavior" binding="webHttpBinding" contract="DataService"/>
      </service>
    </services>
  </system.serviceModel>

推荐答案

尝试设置服务BehaviorConfiguration，以使其生效...

Try setting the service BehaviorConfiguration so it will have effect...

<service name="DataService" behaviorConfiguration="DataServiceBehaviors" >
  <endpoint address="" behaviorConfiguration="DataServiceAspNetAjaxBehavior" binding="webHttpBinding" contract="DataService"/>
</service>

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